How much power does the Starlink Mini use per day?
Starlink lists the Mini at 25–40 W on average. Run on 12 V DC for 24 hours at the top of that range it uses 960 Wh a day — 80 Ah from a 12 V battery.
How to work it out
- AC loads: 0 Wh ÷ 90% inverter efficiency = 0 Wh
- + DC loads 960 Wh = 960 Wh a day
- 960 Wh ÷ 12 V = 80 Ah a day from the battery
The Mini’s spec sheet gives an input rating of 12–48 V and 60 W, so it can run straight off a 12 V battery or a power station’s DC port with no inverter in between. That is the big saving over the Standard kit.
Adjust for your project
More options: Inverter eff. · Idle W · Inverter on
- Per day in kWh
- 0.96 kWh
- Amp-hours per day at your system voltage
- 80 Ah · 12 V
- AC loads (before inverter losses)
- 0 Wh
- DC loads
- 960 Wh
- AC watts if everything runs at once
- 0 W
- Per month (30 days)
- 28.8 kWh
Appliance by appliance
| Appliance | Watts × hours | Per day | From battery |
|---|---|---|---|
| Starlink Mini | 40 W × 24 h (DC) | 960 Wh | 960 Wh |
The same loads at other inverter efficiencies
| Inverter efficiency | Energy per day (from the battery) | Amp-hours per day at your system voltage | Per month (30 days) |
|---|---|---|---|
| 80% | 960 Wh | 80 Ah | 28.8 kWh |
| 85% | 960 Wh | 80 Ah | 28.8 kWh |
| 90% | 960 Wh | 80 Ah | 28.8 kWh |
| 95% | 960 Wh | 80 Ah | 28.8 kWh |
What to know about powering a Starlink Mini
- Run it on DC. Powering the Mini through its AC adapter from an inverter adds the inverter loss and the inverter’s own idle draw. A 12 V supply that meets the input rating avoids both; check the connector and cable Starlink specifies.
- 960 Wh is the cautious number. It assumes the 40 W top of the average range all day. At 25 W the same day is 600 Wh. A cheap inline DC watt meter tells you where your own unit sits.
- Size the battery for two days. At about 80 Ah a day, a 100 Ah LiFePO4 battery used to 80% lasts one day and change without sun; the battery bank calculator adds days of autonomy.
- Peaks need headroom. The 60 W input rating is the figure for the supply — a power bank or DC-DC converter rated below it may shut off during snow melt or start-up.
For a bank you already own, how long a 100Ah battery runs a fridge shows the same arithmetic for the other big 24-hour load. The bigger dish is on how much power Starlink uses per day.
Different size? Use the full Solar Load Calculator.
What you’ll need
- Inline DC watt meterBudget price
Sits between a 12 V device and its supply and shows watts, amps and watt-hours used — handy for measuring a 12 V fridge, Starlink Mini or fan.
See options on Amazon (opens in a new tab) - 12 V 100 Ah LiFePO4 batteryPremium price
About 1.28 kWh rated in a box roughly the size of a group 24–31 lead-acid battery at around half the weight. Check the BMS discharge limit and whether it can charge below freezing.
See options on Amazon (opens in a new tab) - Portable power station (about 1,000 Wh)Premium price
Battery, inverter and charger in one box. Check both the watt-hour capacity and the inverter’s continuous and surge watts against what you plan to run.
See options on Amazon (opens in a new tab)
As an Amazon Associate we earn from qualifying purchases. Links to products are affiliate links — they cost you nothing extra and help keep these calculators free.
Frequently asked questions
How much power does the Starlink Mini use at 25 W average?
600 Wh a day on DC, or 50 Ah from a 12 V battery.
How much does the Starlink Mini use through an inverter instead of DC?
About 1,067 Wh a day from the battery at 90% inverter efficiency — roughly 10% more than running it on DC, before the inverter’s idle draw.
Other common sizes
- How much power Starlink uses per day — 1.8–2.4 kWh a day (about 2,667 Wh from a battery via an inverter)
- How many watts a refrigerator uses per day — About 1,600 Wh a day (200 W running a third of the time)
Sources
- Virginia Cooperative Extension, BSE-301: Estimating Appliance and Home Electronic Energy Use (2020) (opens in a new tab) — Wattage × hours ÷ 1,000 = kWh per day; watts = amps × volts when only amps are listed; a refrigerator runs at full wattage about a third of the time; typical nameplate wattages.
- Champion Power Equipment — Generator Wattage Chart (opens in a new tab) — Typical running and starting watts for household, RV and job-site appliances (a manufacturer’s planning chart — your nameplate wins).
- Victron Energy — Energy Unlimited (book) (opens in a new tab) — Lead-acid charge efficiency 80–95% (85% suggested as a starting value); battery energy efficiency about 75% for full cycles, about 89% in partial state of charge; inverter efficiencies above 90%.
- ENERGY STAR — Certified Televisions data set (on-mode power) (opens in a new tab) — Certified models, on-mode watts, retrieved October 2026: 32 in about 27–36 W; 43 in about 45–78 W; 50 in about 61–90 W; 55 in about 64–114 W; 65 in about 85–135 W; 75 in about 120–176 W.
- Starlink — Standard kit specification sheet (opens in a new tab) — Power consumption: average 75–100 W.
- Starlink — Mini specification sheet (opens in a new tab) — Power consumption: average 25–40 W; input rating 12–48 V, 60 W.